#3744C0#3744C0

#3744C0 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.9% C 0.192 H 271.7°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3744C0
RGB	rgb(55, 68, 192)
HSL	hsl(234, 55%, 48%)
HSV	hsv(234, 71%, 75%)
CMYK	cmyk(71.4%, 64.6%, 0%, 24.7%)
CIE-LAB	lab(35.50, 36.64, -66.38)
CIE-LCH	lch(35.50, 75.82, 298.90°)
OKLab	oklab(45.87% 0.0057 -0.1918)
OKLCH	oklch(45.87% 0.192 271.7)
XYZ	xyz(13.1539, 8.7509, 50.8548)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3744C0 #C0B337

analogous

#3788C0 #3744C0 #6F37C0

triadic

#3744C0 #C03744 #44C037

tetradic

#3744C0 #C03788 #C0B337 #37C06F

square

#3744C0 #C03788 #C0B337 #37C06F

split-complementary

#3744C0 #C06F37 #88C037

monochromatic

#1C2261 #293390 #3744C0 #626DD2 #9299E0

Accessibility & contrast

On white

7.64

#3744C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3744C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3744C0

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3744C0	#FFFFFF	#000000	##FFFFFF
##3744C0	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC4

Deuteranopia (green-blind)

#004DBE

Tritanopia (blue-blind)

#00647C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3744c0;
/* rgb */ color: rgb(55, 68, 192);
/* oklch */ color: oklch(45.9% 0.192 271.7);

Tailwind

colors: {
  custom: {
    50: '#8178d4',
    500: '#3744c0',
    950: '#000000',
  },
}

SCSS

$custom: #3744c0;
$custom-light: #8178d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3744c0",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 192
  },
  "hsl": {
    "h": 234.307,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45871,
    "c": 0.19188,
    "h": 271.7
  },
  "luminance": 0.08752
}

Semantic roles & 50–950 ramp

primary

#3744C0

secondary

#CBC488

accent

#D149DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3744C0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →